Rotaplane



lJune 11, 1935. E. 1 YANCHUS 2,004,885

yParental June 11, 1935 1 2,004,885 l UNITED smrgs rarest ortica j RoTArLANE l EdwardL. Yanchus, Masontown, Pai-assigner of one-half to Isidore Rothstein Application March 6, 1933, serial No. 659,862 I 1oc1aims. (C1. zzn-,14)

My rinvention is an aircraft, consisting of` a Theftip discs 2 are attached to the ends of the conventional aeroplane fuselage, with laterally rotating planes i. Additional strength is seextending rotative planes, supported by .a fixed cured'by the cantilever Wire bracing 5.

frame. A. brake lever i5 with shoes i5, acts on the left 5 It takes off, flies, and lands in much the same axle Il, providing braking action when desired. k5 manner as an aeroplane. Its principle of opera- I claim as my invention: tion, however, is entirely different. 1. In an aircraft having a fuselage and propel The operating principle of a rotating plane is ling means, a lifting device including an element similar to that of a cylindrical rotor. Both derotating on an axis transverse of said fuselage, flect the relative Wind upwards, creating a high said element consisting of a plane substantially l0 pressure area at the lower surface, and a low diamond shaped in cross section, said axis passing pressure area at the upper surface. Therel are thru, said plane longitudinally thereof in the retwo points of differentiation, however: gion of the thickest part of the plane.

l. A cylindrical rotor exerts a dragging action, 2. In an aircraft having a fuselage and pro- Whereas a rotating plane exerts a push and pull pelling means, a lifting device including an ele- 15 action on the relative wind. ment rotating on an axis transverse of said 2. A cylindrical rotor must be powered, Wherefuselage, said element consisting of a plane subas a rotating plane turns automatically in a relastantially diamond shaped in cross section with tive wind. I believe that this automatic rotation the two points thereof adjacent the center is the result of a, burbling action, induced by the rounded, said axis passing thru said plane longi- 20 rotation itself, and occurring below the axis of tudinally thereof in the region of the thickest rotation. Due to the resulting difference in prespart of the plane. sure above and beloW the axis, a rotative force 3. In an aircraft having a fuselage and propellis generated. ing means, a frame secured to said fuselage, a

The rotating plane design herein disclosed is lifting device mounted on said frame and includ- 25 based on the above theory. I believe it to be ing an element rotating on an axis transverse of the most efficient application of the principles said fuselage, said element consisting of a plane described. substantially diamond shaped in cross section In the drawing: with the two points thereof adjacent the center Fig. 1 is a top View of my invention. rounded, said axis passing thru said plane longi- 30 Fig. 2 is afront view. tudinally thereof in the region of the thickest Fig. 3 is an end View of the device. part of the plane. Fig. 4 is a, cross-section view of the starting 4-1m an aircraft havingafuselage and propelllever. ing means, a frame secured to said fuselage, a Fig. 5 is a cross-section view of the rotating lifting device mountedon said frame and includ- 35 planes. ing an element rotating on an axis transverse Referring rst to Fig. 5, the rotatingv planes l of said fuselage, said element consisting of a are substantially diamond shaped in cross-secplane substantially diamond-shaped in cross section. An axle Il passes through the center of tion, said axis passing through said plane longieach plane. tudinally thereof in the region of the thickest 40 Referring to Fig. 4, the planes are given an inpart of the plane. itial spin by the starting lever I4, connected to 5. In an aircraft having a fuselage and prothe right axle Il by means of a free-wheel ratchpelling means, a lifting device including an eleet I3. ment rotating on an axis transverse of said fuse- Referring to Figs. 1, 2 and 3, the rotating planes lage, said element consisting of a plane substanl are connected by a universal joint 4, and turn tially diamond-shaped in cross section, said axis in bearings 3, held by the bearing posts 8, which passing through said plane longitudinally therein turn are attached to the supporting frame of in the region of the thickest part of the plane consisting of the cross members 6 and the longiand laterally extending wings secured` to said tudinal members 1. This supporting frame is fuselage, adjacent said lifting device. 5,0',

attached transversely to the fuselage of the craft. 6. In an aircraft having a fuselage and pro- 'I'he lift wires l1 give added strength. pelling means, a lifting device including an ele- 'I'he fixed planes 9 are secured to the rear lonment rotating on an axis transverse of said fusegitudinal members 1 of the frame. The ailerons lage, said element consisting of a plane substan- I0 are in turn hinged to the fixed planes. tially diamond-shaped in cross section with the 55 two points thereof adjacent the center rounded, said axis passing through said plane longitudinally thereof in the region of the thickest part of the plane, and laterally extending wings secured to said fuselage, adjacent said lifting device.

7. In an aircraft having a fuselageand propelling means, a lifting device including an element rotating on an axis transverse of said fuselage, said element consisting of a plane substantially diamond-shaped in cross section, said axis passing through said plane longitudinally thereof in the region of the thickest part of the plane, and laterally extending wings secured to said fuselage, adjacent said lifting device and to the axis passing through said plane longitudinally thereof in the region of the thickest part of the plane, and laterally extending wings secured to said fuselage, adjacent said lifting device and to the rear and below the level of said lifting device. y

9. In an aircraft having a fuselage and propelling means, a liftingdevice including an element rotating on an axis transverse of said fuselage, said element consisting of a plane substantially diamond-shaped in cross section with the two points thereof adjacent the center rounded, said axis passing through said plane longitudinally thereof in the region of the thickest part of the plane, and laterally extending Wings se- ;cured to said fuselage, adjacent said lifting device and to the rear thereof.

10. In an aircraft having a fuselage and propelling means, a lifting device including an element rotating on an axis .transverse of said fuselage, said element consisting of a plane substan-r tially diamond-shaped in cross section with the two points thereof adjacent the center rounded, said axis passing through said plane longitudinally thereof in the region of the thickestpart of the plane, and laterally extending wings secured to said fuselage; adjacent said lifting device and to the rear 'and below the level of said lifting device.

EDWARD L. YANCHUS. 

